<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            padding: 0;
            margin: 0;
        }

        li {
            list-style: none;
        }

        .a {
            width: 195px;
            height: 250px;
            background-color: #ddd;
            overflow: hidden;
        }

        .a h3 {
            height: 37px;
            background-color: #ff0;
            line-height: 37px;
            margin-top: 20px;
            border-bottom: 1px solid #000;
            width: 141px;
            margin-left: 18px;
            padding-left: 12px;
        }

        .a ul {
            margin-left: 28px;
            margin-top: 15px;
        }

        .a li {
            line-height: 24px;
            background: url(../images/qqq_03.jpg) no-repeat 0 center;
            padding-left: 15px;
        }
    </style>
</head>

<body>

    <div class="a">
        <h3>科技力量</h3>
        <ul>
            <li>啊啊啊</li>
            <li>啊啊啊</li>
            <li>啊啊啊</li>
            <li>啊啊啊</li>
            <li>啊啊啊</li>
        </ul>
    </div>

</body>

</html>